text: EVENTS_PAGE = 'events.html'
  HED_TOOLS_HOME_PAGE = 'hed-tools-home.html'
  SCHEMA_PAGE = 'schema.html'
  SIDECAR_PAGE = 'sidecar.html'
  SPREADSHEET_PAGE = 'spreadsheet.html'
  STRING_PAGE = 'string.html'
  SERVICES_PAGE = 'services.html'
  